Kouhei Sutou created ARROW-854:
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Summary: [C++] Support sparse matrix
Key: ARROW-854
URL: https://issues.apache.org/jira/browse/ARROW-854
Project: Apache Arrow
Issue Type: New Feature
Components: C++, Format
Reporter: Kouhei Sutou
Priority: Minor
>From
>http://mail-archives.apache.org/mod_mbox/arrow-dev/201704.mbox/%3CCAJPUwMBV5pkiXqY1-hsfP%3D2qgjQg-hMKZMwmQa3jKdDfxSS26A%40mail.gmail.com%3E
bq. since we have metadata for tensors/ndarrays and support in C++, having
analogous metadata for sparse matrices seems reasonable. Someone else asked me
about this in person recently (related to machine learning applications).
bq. While many Arrow implementations will be focused on the in-memory columnar
/ record batch data model, having these traditional scientific computing memory
layouts available for shared memory IPC will open up the Arrow C/C++ libraries
to more use cases. We wouldn't necessarily expect other Arrow implementations
(like Java) to implement these, though, unless they needed them.
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